well its all up to you... wouldnt hurt... i can supply you with them if you decide to purchase them

I was wondering too, how do you have access to them? Are you a retail outlet or wholesale. As a retailer myself at a new car dealer, (Ford) wholsale would make them much more enticing!
It would be nice to put them to the test on a dyno. I'd be willing to do this if they were available for trials.